CVE-2026-35388

State: Published
Severity: 2.5 Low
Published: Apr 2, 2026
Updated: Apr 2, 2026
Reserved: Apr 2, 2026

Description

OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.

Scores

CVSS	Score	Vector	Source
3.1	2.5 Low	CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N	mitre

Weaknesses

CWE-420 Unprotected Alternate Channel

Affected Products

Product	Versions
OpenSSHOpenBSD	before 10.3Affected

References

https://www.openssh.org/releasenotes.html#10.3p1
https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2
https://www.openwall.com/lists/oss-security/2026/04/02/3

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